/*设置全局引用*/
define(function() {
	function defaultStr() {
		return 'http://115.29.136.190:8080/help';
	}

	function arrayToStr(items) {
		var id = '';
		var len = items.length;
		for (i in items) {
			if (i === len - 1) {
				id = id + items[i];
			} else {
				id = id + items[i] + ',';
			}
		}
		return id;
	}
	return defaultStr;
});